header{
  height: 60px;
  .content{
    width: 980px;
    margin: 0 auto;
    .logo{
      height: 30px;
      margin-top: 15px;
    }
    .el-menu{
      border-bottom: none;
    }
  }
  .mt10{
    margin-top: 10px;
  }
  .el-select{
    width: 80px;
  }
}